kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Thu Mar 12 07:33:19 PDT 2020 OpenBSD/amd64 (ci-openbsd-main-1.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.0.191' (ECDSA) to the list of known hosts. 2020/03/12 07:33:33 parsed 1 programs 2020/03/12 07:33:38 executed programs: 0 login: uvm_fault(0xfffffd806bc0a110, 0xc9, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc0a110, 0xc9, 0, 1) -> e pool_do_put(ffffffff82583768,fffffd805a1eae00) at pool_do_put+0x12e end trace frame: 0xffff80001d405ae0, count: 0 ddb> trace pool_do_put(ffffffff82583768,fffffd805a1eae00) at pool_do_put+0x12e pool_put(ffffffff82583768,fffffd805a1eae00) at pool_put+0x4b m_free(fffffd805a1eae00) at m_free+0x119 rt_ifa_del(ffff8000009c8d00,800100,ffff8000009c8d40,0) at rt_ifa_del+0x402 in6_unlink_ifa(ffff8000009c8d00,ffff8000009f2800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009f2800,ffff80001d406040,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff80001d406040,ffff8000009f2800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805daffaf8,8080691a,ffff80001d406040,ffff80001d339758) at ifioctl+0xe60 sys_ioctl(ffff80001d339758,ffff80001d406158,ffff80001d4061a0) at sys_ioctl+0x4a1 syscall(ffff80001d406220) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeb3c0, count: -11 ddb> show registers rdi 0 rsi 0xc1 rbp 0xffff80001d405a90 rbx 0xc1 rdx 0xffff80001d4059e0 rcx 0x1000 __ALIGN_SIZE rax 0xfffffd805a1eb000 r8 0x4 r9 0 r10 0xc837e6626e86d9e9 r11 0x5877024ec0c0cca2 r12 0xfffffd805a1eae00 r13 0xa4b8b59bd452dfc1 r14 0xffffffff82583768 mbpool r15 0xfffffd80676ec0f8 rip 0xffffffff817f43ae pool_do_put+0x12e cs 0x8 rflags 0x10296 __ALIGN_SIZE+0xf296 rsp 0xffff80001d4059e0 ss 0x10 pool_do_put+0x12e: movq 0x8(%rbx),%rbx ddb> show proc PROC (syz-executor.0) pid=417631 stat=onproc flags process=0 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d3394e8,0xffffffff8256bf20 process=0xffff80001d38ea80 user=0xffff80001d401000, vmspace=0xfffffd806bc0a110 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *78241 417631 36037 0 7 0 syz-executor.0 36037 66888 72577 0 3 0x82 nanosleep syz-executor.0 72577 417365 89346 0 3 0x82 thrsleep syz-execprog 72577 443142 89346 0 3 0x4000082 nanosleep syz-execprog 72577 454984 89346 0 3 0x4000082 thrsleep syz-execprog 72577 383276 89346 0 3 0x4000082 thrsleep syz-execprog 72577 318721 89346 0 3 0x4000082 kqread syz-execprog 72577 483865 89346 0 3 0x4000082 thrsleep syz-execprog 72577 319311 89346 0 3 0x4000082 thrsleep syz-execprog 89346 452177 53815 0 3 0x10008a pause ksh 53815 133368 43381 0 3 0x92 select sshd 7824 11122 1 0 3 0x100083 ttyin getty 43381 27390 1 0 3 0x80 select sshd 8465 36286 262 73 3 0x100090 kqread syslogd 262 65690 1 0 3 0x100082 netio syslogd 46169 163649 1 77 3 0x100090 poll dhclient 52366 274753 1 0 3 0x80 poll dhclient 19539 361932 0 0 3 0x14200 bored smr 19581 450158 0 0 2 0x14200 zerothread 72367 204263 0 0 3 0x14200 aiodoned aiodoned 89360 403730 0 0 3 0x14200 syncer update 40304 447537 0 0 3 0x14200 cleaner cleaner 11342 229333 0 0 3 0x14200 reaper reaper 17211 203689 0 0 3 0x14200 pgdaemon pagedaemon 1490 75353 0 0 3 0x14200 bored crynlk 57360 106319 0 0 3 0x14200 bored crypto 85208 20371 0 0 3 0x40014200 acpi0 acpi0 26011 42753 0 0 3 0x14200 bored softnet 43685 64010 0 0 3 0x14200 bored systqmp 28120 212525 0 0 3 0x14200 bored systq 48394 100383 0 0 3 0x40014200 bored softclock 21706 65390 0 0 3 0x40014200 idle0 1 354708 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9443 6321K 6321K 78643K 10540 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 154 0 ifaddr 33 9K 9K 78643K 33 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1182 74K 74K 78643K 1187 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 3 8K 12K 78643K 18 0 proc 47 38K 54K 78643K 318 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 171 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 69 11K 11K 78643K 841 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 6 0 temp 23 3009K 3073K 78643K 1661 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 27 0 20 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 144 0 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1414 0 19 45 0 45 45 0 8 0 ffsino 240 1414 0 19 83 0 83 83 0 8 0 nchpl 144 1639 0 35 60 0 60 60 0 8 0 uvmvnodes 72 1423 0 0 26 0 26 26 0 8 0 vnodes 208 1423 0 0 75 0 75 75 0 8 0 namei 1024 3831 0 3831 1 0 1 1 0 8 1 scxspl 192 4332 0 4332 1 0 1 1 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 212 0 185 4 0 4 4 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 16 67 0 60 1 0 1 1 0 8 0 pipepl 120 134 0 121 1 0 1 1 0 8 0 fdescpl 432 198 0 185 2 0 2 2 0 8 0 filepl 120 963 0 909 2 0 2 2 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 185 0 185 1 0 1 1 0 8 1 processpl 896 212 0 185 4 0 4 4 0 8 0 procpl 624 218 0 185 3 0 3 3 0 8 0 sockpl 400 71 0 54 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5513 0 5479 8 3 5 8 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9547 0 9469 7 1 6 6 0 8 0 mbufpl: pool(0xffffffff82583768:mbufpl): free list modified: page 0xfffffd805a1ea000; item ordinal 14; addr 0xfffffd805a1eaf00 (p 0xfffffd80676ec000); offset 0x0=0x0 mbufpl: pool(0xffffffff82583768:mbufpl): page inconsistency: page 0xfffffd805a1ea000; item ordinal 15; addr 0xc1 bufpl 280 3648 0 160 250 0 250 250 0 8 0 anonpl 16 20264 0 18801 15 2 13 13 0 107 7 amapchunkpl 152 699 0 637 5 0 5 5 0 158 1 amappl16 192 117 0 92 2 0 2 2 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 6 0 3 2 1 1 1 0 8 0 amappl13 168 27 0 24 1 0 1 1 0 8 0 amappl12 160 9 0 7 2 1 1 1 0 8 0 amappl11 152 65 0 53 1 0 1 1 0 8 0 amappl10 144 12 0 7 1 0 1 1 0 8 0 amappl9 136 211 0 209 1 0 1 1 0 8 0 amappl8 128 234 0 227 1 0 1 1 0 8 0 amappl7 120 103 0 92 1 0 1 1 0 8 0 amappl6 112 21 0 19 2 1 1 1 0 8 0 amappl5 104 158 0 149 1 0 1 1 0 8 0 amappl4 96 445 0 419 1 0 1 1 0 8 0 amappl3 88 112 0 105 1 0 1 1 0 8 0 amappl2 80 825 0 769 3 0 3 3 0 8 1 amappl1 72 13623 0 13225 27 10 17 20 0 8 8 amappl 80 419 0 393 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 198 0 185 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 198 0 185 1 0 1 1 0 8 0 vmmpekpl 168 6031 0 6013 1 0 1 1 0 8 0 vmmpepl 168 28990 0 28123 84 7 77 77 0 357 39 vmsppl 272 197 0 185 1 0 1 1 0 8 0 pdppl 4096 402 0 370 5 0 5 5 0 8 0 pvpl 32 103374 0 99632 113 0 113 113 0 265 81 pmappl 200 197 0 185 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 127 0 6 4 0 4 4 0 8 0 ddb>